US supermajor Chevron is closing in on start-up of the world’s largest carbon capture and storage (CCS) project that forms a key part of its Gorgon liquefied natural gas project on the ecologically sensitive Barrow Island in Western Australia, writes Amanda Battersby.

“We’re very, very close... we’ve almost completed all the modifications,” said Nigel Hearne, president Chevron Asia Pacific Exploration & Production.